yeah the first gen harleys are very beefed up from a standard f special springs and shocks tranny cooler r tranny from the diesel f ton rear heavy duty drive shaft forged crank and pistons super charger duel fuel pumps and lb injectors custom interior etc they also have tons of unique harley things like custom windshield headlights corner lights and bumpers i have had mine for years and i beat the shit out of it it runs just as good ever and is still faster than most things on the road they were way over built